Windshield defrosting device



12, 1936. r H. A, CUTTING 2,040,125 4 WINDSHIELID DEFROSTING DEVICE Filed Jan. 16, 1935 INVEN'QFCR. fre r/fl Cid/kg,

ATTORNEYS Patented May '12, 1936 UNITED STATES PATENT OFFICE 7 2,040,125 WINDSHIELD DEFROSTING DEVICE Herbert A. Cutting, Detroit, Mich., assignor to Cutting Sales Engineering 00., Detroit, Mich., a corporation of Michigan Application January 16, 1935, Serial No. 1,998 15 Claims. (01. 20-405) This invention relates to windshield defrosting placement of the tube into the channel of the devices wherein ice lodging or forming on the part the tube 4 is retained in position by its exterior of the windshield is prevented and inherent springiness and by the resilience of the wherein the deposition of moisture interiorly of wall 8 so that soldering, welding and other means 5 the windshield is likewise prevented, over areas of attachment are unnecessary.

sufficiently large to provide adequate vision for The cover 6 of the housing is then assembled a driver. 7 on the member 5, the side walls of this member 6 A principal object is to utilize heat from the enveloping the side walls 1, 8. The members 5 engine cooling system by means of a device makand 6 may be held together by snap dents 9 or in 10 ing use of the principle of conduction and also any other suitable manner. 10 f co v cti n. Integral with the member 5 are resilient arms Another object is to provide a device of this In having suction cups II at their outer ends. kind which may be readily applied and removed Upon the placement of the flat side of member as an accessory, which may be easily and eoo- 5 against the windshield l the cups ll do not nomically constructed, which lends itself to mass tend to engage the windshield but it is necessary production and which is decorative in appearto press the cups against the resiliency of the ance arms ID to obtain gripping with the windshield. Other objects and advantages will become These arms therefore retain the housing 5, 6 in hereinafter more fully apparent 'as reference is pressure imposing contact with the glass so that had to the accompanying drawing wherein my the coil 4 is in conductive contact with the windinvention is illustrated by way of example and shield throu the member in which The arms 19 are so connected to the cups ll Figure 1 is a transverse vertical section through that a continuous D11 is eXerted a nst i an automobile showing my invention applied to a direction normal to the windshield. I have the windshield; found that this continuous pull is effective in giv- 25 Fig. 2 is an enlarged horizontal section taken e an pp y be te u o With the glass and along the line 2-2 of Fig. 1; consider this discovery of considerable impor- Fig. 3 is an enlarged plan elevation of the detance. vice, partially broken away; Through the housing 5 6 I provide vertical Fig. 4 is an elevation of the coil ready for asop ni $10175 through which a convective 30 'sembly; flow of air may be induced to flow to the wind Fig. 5 is a transverse section taken along the shield above the device. Since .there is no conline. 5-5 of Fig, 3; densation of motion on the interior .of the wind- Fig. 6 is a transverse section taken along the shield .above my device it is believed that this line 6-6 of Fig. 3, and convective flow is effective in preventing .it. 1.

Fig. '7 is a detail view illustrating the applica thus provide a conductive heating of the wind tion of the device to a windshield prior to attache d whereby t is tted to the outer menttheretu surface of the glass with a comparatively low More particularly, I indicates the windshield e pe a 50111138 of heat Supply and I also p 40 of a vehicle 2 equipped with a special or convenvide an additional convective heating for the in- 40 tional power plant, not shown but which has a terior of the windshield.

fluid cooling system into which are connected What I claim is:-

fluid feed and return lines 3, in any suitable l. A defrosting device comprising a fluid conmanner. These lines 3 are connected to a metalduit, manually attachable and removable means lie conduit preferably in the form of a tube 4 bent for retaining said conduit in conductive contact 5 into a U coil. Additional turns may be added if with a window pane whereby heat is transferred desired but I have found the U coil to be suiiito said pane by conduction, and means for concient for all ordinary winter driving. ducting a flow of heated fluid through said con- In order to receive the tube 4 I provide a duit.

housing 5, 6 flattened on the side thereof which 2. A defrosting device comprising a metallic is to confront the windshield I. The flat side of conduit, manually a t ch ble a d removable the metallic part 5 has side walls I bent inwardly means for maintaining said conduit in pressure at 8 to form a channel having a resilient side imposing, conductive contact with a windshield, wall. Before installation the U of the tube 4 is and means for conducting a flow of heated fluid expanded as indicated in Fig. 3 so that upon through said conduit. 55

3. A defrosting device comprising a flattened metallic conduit, resilient means for maintaining said coil in pressure imposing, conductive contact with a windshield, and conduit means for conducting a flow of heated fluid through said conduit.

4. A defrosting device comprising a metallic conduit, resilient arms operatively connected to said conduit, and suction cups connected to the outer ends of each of said arms, said arms upon pressure of said cups into glass gripping position maintaining said coil in pressure imposing conductive contact with said glass.

5. A defrosting device comprising a metallic conduit, resilient arms operatively connected to said conduit, and suction cups connected to the outer ends of each of said arms, said arms upon pressure of said cups into glass gripping position maintaining said coil in pressure imposing conductive contact with said glass, said arms applying pressure to said cups normal to the plane of contact of said cups with said glass.

6. In a vehicle having a fluid cooled power plant and a windshield, in combination, a metallic conduit in pressure imposing conductive contact with the windshield, and conduit means connected into the fluid cooling system of the power plant for conducting heated fluid to said conduit.

'7. In a vehicle having a windshield and a power plant with a fluid cooling system, in combination, a flattened metallic conduit, means for maintaining said flattened conduit in pressure imposing conductive contact with the windshield, and. means for conducting heated fluid from the cooling system of the power plant through said conduit. 8. In a defrosting device for a vehicle windshield, a metallic conduit, a metallic plate member, means for retaining said conduit in conductive contact with said plate member, means for securing said plate member with said conduit in contact with the windshield, and means for conducting a flow of heated fluid through said conduit.

9. In a defrosting device for a vehicle windshield, a metallic conduit, a metallic housing for said conduit having one flat side, means for retaining said conduit in said housing in conductive contact with said flat side, means for securing said housing to the windshield with the flat side thereof in pressure imposing relation with said windshield, and means for conducting a flow of heated fluid through said conduit.

10. In a defrosting device for a vehicle windshield, a flattened metallic tube, a metallic housing for said tube having one side flat, means for retaining said conduit in said housing in conductive contact therewith, spring arms extending outwardly from said housing and having suction cups on the ends thereof, said arms upon pressure of said cups into windshield gripping position imposing pressure contact of said flat side with said windshield, and means for conducting a heated fluid through said conduit.

11. In a windshield defrosting device, a two part housing, one of said parts being flat and having side walls bent inwardly at their outer edges, a second part adapted for envelopment of and connection to said side walls, a U-shaped metallic conduit of springy material for residence in said housing and adapted to be urged in pres sure contact with said flat side by its shape and by the shape of said inturned side walls, spring means for securing the flat side of said housing against the windshield, and means for conducting a heated fluid through said conduit.

12. In a windshield defrosting device, a two part housing, one of said parts being flat and having side walls with their outer edges inturned to form a channel with a resilient side wall, a U-shaped flattened metallic coil of inherent springiness for placement in said channel, said flat side and said coil being retained in pressure contact by the inherent springiness of the coil and by the resilience of said channel side wall, resilient arms integral with said flat side having suction cups at the outer ends thereof for attachment to the windshie1d,a second part of said housing adapted to envelop the side walls of the first named part and to cover said coil, and means for conducting a heated fluid through said coil.

13. The combination as set forth in claim 11 wherein said housing has openings through the side walls thereof for the flow of air thereover whereby a flow of air is induced through said housing and to that part of the Windshield thereabove.

14. In a windshield defrosting device for a vehicle, a heated conduit in conductive contact with the windshield, and flue means for directing a convective flow of air from said conduit to that portion of the windshield above said device.

15. In a Windshield defrosting device, a heated, flattened metallic conduit, a housing for said conduit in conductive contact therewith, one side of said housing being flat, spring arms having suction cups at the outer ends thereof, said spring arms imposing pressure contact of said flat side with the Windshield upon pressure of said cups in windshield gripping position, said housing having vertical openings therethrough for the inducement of a convective flow of air to said windshield above said device.

HERBERT A. CUTTING. 

